What Are the Most Common ABA Billing Errors—and How Can You Prevent Them
- Veronica Cruz
- Jul 2
- 5 min read
Updated: Jul 3

In the world of Applied Behavior Analysis (ABA) therapy, accurate billing isn't just a financial necessity—it's the backbone of compliance, operational efficiency, and sustainability. When billing goes wrong, providers risk delayed reimbursements, legal repercussions, and diminished client trust. For ABA practices striving to grow and scale, preventing billing errors is non-negotiable.
Let’s explore the most frequent ABA billing challenges and how to overcome them using industry best practices and smart systems.
Why Billing Accuracy Is Crucial in ABA Therapy
Accurate ABA billing is vital—over 70% of claim denials stem from errors like missing notes or wrong codes. Even minor mistakes can disrupt cash flow, delay reimbursements, and affect care. Reliable ABA therapy billing services help prevent the revenue and maintain a financial growth.
Common ABA Billing Errors and Prevention Strategies
To maintain financial health and compliance, ABA practices must first address one of the most pervasive and preventable issues—documentation errors.
Incomplete or Inaccurate Documentation
Missing session notes, unsigned forms, or incomplete client data can easily derail your ABA billing process and result in denied claims.
How to Prevent It
Use structured documentation templates to collect every required data point clearly.
Choose EHR systems that flag incomplete fields or missing signatures before claims go out.
Schedule internal audits and train your team on accurate charting, service logs, and billing compliance.
Why it matters: In ABA billing, documentation is everything. A simple omission—like forgetting a BCBA signature or service time—can cause full payment denial. Many billing rejections come from small errors that clear processes could prevent.
Incorrect Use of CPT Codes
Inaccurate CPT coding can confuse insurers, causing reduced payouts or claim rejections—especially in ABA therapy billing.
How to Prevent It
Stay current on ABA CPT code updates from the payer-specific policies.
Follow guidance from the ABA Coding Coalition on common codes like 97153, 97155, and 97156.
Use smart billing tools that flag mismatches between codes and session documentation.
Quick Tip: Using the wrong code doesn’t just delay payment—it can trigger audits. Keeping your ABA billing team trained on each update ensures accuracy and protects your practice.
Failure to Verify Insurance and Authorization in ABA Billing
When insurance verification or prior authorization is skipped, claims often get denied—creating costly delays in the ABA billing cycle.
How to Prevent It
Assign team members to verify benefits during intake and before service updates.
Use tools that track units used, expiration dates, and auth limits in real-time.
Keep payer contact logs to confirm co-pays, coverage, and documentation needs.
Pro Tip: Never underestimate the power of prior authorization. Securing it upfront not only reduces the risk of denial, but it also fast-tracks your reimbursement and boosts operational confidence.
Missed Claim Submission Deadlines in ABA Billing
Even a short delay in submitting claims can disrupt cash flow and reduce claim acceptance in ABA billing.
How to Prevent It
Set auto-alerts for each payer’s filing timeline.
Maintain a weekly claim submission calendar.
Create KPIs to submit claims within 5–7 business days after sessions.
Top ABA billing companies keep AR Days under 30 by using alert systems and tight workflows.
Comparison: Timely Filing Limits
Payer Type | Filing Limit | Risk If Missed |
Medicaid | 90 days | Denial; no appeal |
Commercial PPO | 60 days | Reduced reimbursement |
HMO | 30 days | Automatic denial |
TRICARE | 1 year | Detailed audit likely |
Duplicate Billing Errors in ABA Billing
Submitting the same claim more than once—often due to disorganized records—can delay your payments and raise red flags with insurance payers, potentially leading to audits.
How to Prevent It
Use ABA billing software with duplicate claim alerts.
Schedule regular claim audits.
Track submissions with dashboards showing real-time claim status.
Quick Note: ABA billing services reduce duplicate risks by integrating tracking systems into their daily workflows.
Lack of Staff Training in Billing Protocols
Untrained staff often make costly mistakes in coding, data entry, and billing procedures—hurting claim success rates.
How to Prevent It
Create onboarding programs with clear billing protocol guidance.
Host quarterly compliance training and code updates.
Encourage team members to take ABA billing-focused micro-certifications.
One of the smartest ways to train new billers is by letting them shadow seasoned team members for 4 to 6 weeks. Many top ABA billing companies rely on this hands-on approach to boost accuracy and confidence early on.
Overlooking Compliance Standards
Not following HIPAA, CMS, or payer guidelines can lead to legal problems and denied claims.
How to Prevent It
Audit systems and processes every quarter.
Use HIPAA-compliant software with user-based access controls.
Conduct mandatory HIPAA training yearly.
Why It Matters: Compliance doesn’t just protect data—it helps secure payer contracts. ABA credentialing services often request proof of compliance.
Ignoring Denied Claims
Not following up on denied claims weakens revenue cycles and breaks the flow of ABA billing operations.
How to Prevent It
Sort denials by type and cause to identify patterns.
Build a 3-level appeals strategy.
Review high-value or aged denials weekly and log each response.
Industry Strategy: Top ABA billing providers assign a dedicated denial management team to reduce AR days and boost recovery rates.
Comparison Table: Preventive Tools for ABA Billing Errors
Billing Error | Prevention Tool | Benefit |
Incomplete Documentation | EHR with required fields | Ensures accuracy and completeness |
Incorrect CPT Codes | Code validation software | Reduces rejections and underpayments |
Missed Authorizations | Insurance verification workflows | Guarantees reimbursement eligibility |
Submission Delays | Claim deadline alerts | Avoids lost revenue |
Duplicate Entries | Duplicate detection in billing systems | Prevents confusion and audits |
Untrained Staff | Structured training programs | Improves accuracy and efficiency |
Compliance Oversights | Internal audits and policy updates | Mitigates legal risks |
Denial Neglect | Dedicated ABA denial management team | Recovers lost revenue |
How ABA Billing Services Help Prevent Common Billing Errors
Professional ABA billing services minimize costly mistakes that often delay or deny payments. Here’s how they help:
Ensure Documentation Accuracy: Standardized templates reduce missing session details or signatures.
Correct CPT Code Usage: Experts stay updated with the latest coding guidelines.
Verify Insurance and Authorizations: Coverage is confirmed before services begin.
Streamline Claims Management: Timely submissions reduce denials and speed up reimbursements.
Handle Denials and AR Follow-ups: Dedicated teams resolve issues and recover revenue efficiently.
By outsourcing to experienced ABA billing companies, providers can improve financial stability and focus more on client care.
FAQ
1.How do you handle billing errors?
We correct billing errors by reviewing claims, identifying the issue, making necessary adjustments, and resubmitting promptly—ensuring smooth ABA billing and faster reimbursements.
2.What CPT codes are used for ABA therapy?
Common CPT codes in ABA therapy billing include 97151, 97153, 97155, and 97156, each representing different assessment and treatment services under ABA billing protocols.
3.How can errors be prevented when submitting claims?
Errors can be avoided by verifying documentation, using the correct CPT codes, following payer rules, and leveraging trained staff or expert ABA billing services.
Conclusion
By proactively addressing these ABA billing errors, you’re not only improving your cash flow and reducing denials, but also securing your reputation and ensuring compliance. Investing in the right aba therapy billing services, staff training, and technologies will give you more time to focus on what truly matters—delivering transformative care to your clients.